quasi-stellar object

[ kwey-zahy-stel-er, kwey-sahy-, kwah-see-, -zee- ]
/ ˈkweɪ zaɪˈstɛl ər, ˈkweɪ saɪ-, ˈkwɑ si-, -zi- /

noun

quasar. Abbreviation: QSO

Origin of quasi-stellar object

First recorded in 1960–65

British Dictionary definitions for quasi-stellar object

quasi-stellar object

noun

a member of any of several classes of astronomical bodies, including quasars (strong radio sources) and quasi-stellar galaxies (no traceable radio emission), both of which have exceptionally large red shifts Abbreviation: QSO